Home / 14,853.44-20,498.56-8,138.88

Finding the Fourth Proportional to 14,853.44, 20,498.56 and 8,138.88

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Solution

The fourth proportional to 14,853.44, 20,498.56 and 8,138.88 is: 11,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,853.44 : 20,498.56 = 8,138.88 : x
  2. Step 2: Convert to fraction form
    14,853.44/20,498.56 = 8,138.88/x
  3. Step 3: Cross multiply
    14,853.44x = 20,498.56 × 8,138.88
  4. Step 4: Simplify right side
    14,853.44x = 166,835,320.01
  5. Step 5: Solve for x
    x = 166,835,320.01/14,853.44
  6. Step 6: Final answer
    x = 11,232.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.